The SES1116ICP replacement charge pipe kit for the M3/M4 are made from Lightweight 2.25 Mandrel Bent 6061-T1 Aluminum Piping and are designed with CNC flanges and a protruding lip for a secure OEM like fit. Eliminating the common situation of breaking boost tubes and providing you, the customer, with a stronger more reliable part. The SES1116ICPWB is finished in a flat black powder coat to match the engine bay and we've also incorporated a pre-capped 1/8" NPT bung into each charge pipe. The Injen Charge Pipe Kit for the S55 Includes Replacement Automotive Grade Silicone Couplers, Stainless Steel Band Clamps, and all hardware required for the installation. The part number for this item is SES1116ICP and it fits 2015-2016 BMW M3/M4 F80 models.